void DemoQNanoItemPainter::drawRuler(float x, float y, float w, float h, float t)
{
float posX = x + w*0.05;
double space = w*0.03 + sinf(t)*w*0.02;
m_painter->setTextAlign(QNanoPainter::ALIGN_CENTER);
m_painter->setTextBaseline(QNanoPainter::BASELINE_MIDDLE);
// Note: Adjust font size to match QPainter sizing
qreal fontSize = w/35.0 * 1.32 - 1;
m_testFont.setPixelSize(fontSize);
m_painter->setFont(m_testFont);
m_painter->setStrokeStyle("#E0E0E0");
m_painter->setFillStyle("#E0E0B0");
m_painter->beginPath();
int i = 0;
while (posX < w) {
m_painter->moveTo(posX, y);
float height = h*0.2;
QPointF textPoint(posX, y+h);
if (i%10==0) {
height = h*0.5;
m_painter->fillText(QString::number(i), textPoint);
} else if (i%5==0) {
height = h*0.3;
if (space > w*0.02) m_painter->fillText(QString::number(i), textPoint);
}
m_painter->lineTo(posX, y+height);
posX += space;
i++;
}
m_painter->setLineWidth(1.0f);
m_painter->stroke();
}
void MemChartPrivate::drawLegendText(QPainter *painter,qreal initX)
{
painter->save();
qreal initY = MC::Constant::TopSpace;
qreal dY = (qreal)(height() - 2 * MC::Constant::TopSpace)/MC::Constant::GridCount;
qreal maxTextLength = fontMetrics().width(tr("%1").arg(_max));
qreal dValue = (qreal)(_max - _min)/MC::Constant::GridCount;
int initValue = _max;
QString strText;
for(int i = 0;i <= MC::Constant::GridCount;i++)
{
// draw text
strText = tr("%1").arg(initValue);
qreal textLength = fontMetrics().width(strText);
QPointF textPoint(initX ,initY + fontMetrics().height()/2);
painter->drawText(textPoint,strText);
// increment initY
initY += dY;
// decrement value
initValue -= dValue;
//
initValue = initValue < 0 ? 0 : initValue;
}
painter->restore();
}
// DrawSliderButton
void
SliderView::DrawSliderButton(BView* v, BRect r, int32 value,
const char* formatString, bool enabled)
{
rgb_color background = ui_color(B_PANEL_BACKGROUND_COLOR);
rgb_color light;
rgb_color shadow;
rgb_color button;
rgb_color black;
if (enabled) {
light = tint_color(background, B_LIGHTEN_MAX_TINT);
shadow = tint_color(background, B_DARKEN_1_TINT);
button = tint_color(background, B_LIGHTEN_1_TINT);
black = tint_color(background, B_DARKEN_MAX_TINT);
} else {
light = tint_color(background, B_LIGHTEN_1_TINT);
shadow = tint_color(background, 1.1);
button = tint_color(background, 0.8);
black = tint_color(background, B_DISABLED_LABEL_TINT);
}
// border
v->BeginLineArray(4);
v->AddLine(BPoint(r.left, r.bottom),
BPoint(r.left, r.top), light);
v->AddLine(BPoint(r.left + 1.0, r.top),
BPoint(r.right, r.top), light);
v->AddLine(BPoint(r.right, r.top + 1.0),
BPoint(r.right, r.bottom), shadow);
v->AddLine(BPoint(r.right - 1.0, r.bottom),
BPoint(r.left + 1.0, r.bottom), shadow);
v->EndLineArray();
// background & label
r.InsetBy(1.0, 1.0);
char label[256];
sprintf(label, formatString, value);
float width = v->StringWidth(label);
font_height fh;
v->GetFontHeight(&fh);
BPoint textPoint((r.left + r.right) / 2.0 - width / 2.0,
(r.top + r.bottom) / 2.0 + fh.ascent / 2.0);
v->SetHighColor(black);
v->SetLowColor(button);
v->FillRect(r, B_SOLID_LOW);
v->DrawString(label, textPoint);
}
// Draw
void
PopupSlider::Draw(BRect updateRect)
{
bool enabled = IsEnabled();
rgb_color background = ui_color(B_PANEL_BACKGROUND_COLOR);
rgb_color black;
if (enabled) {
black = tint_color(background, B_DARKEN_MAX_TINT);
} else {
black = tint_color(background, B_DISABLED_LABEL_TINT);
}
// draw label
BRect r(Bounds());
r.right = fSliderButtonRect.left - 1.0;
font_height fh;
GetFontHeight(&fh);
BPoint textPoint(0.0, (r.top + r.bottom) / 2.0 + fh.ascent / 2.0);
SetLowColor(background);
SetHighColor(black);
FillRect(r, B_SOLID_LOW);
DrawString(fLabel.String(), textPoint);
// draw slider button
DrawSlider(fSliderButtonRect, enabled);
}
void PlaylistItemDelegate::paintBody(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const {
const bool isSelected = option.state & QStyle::State_Selected;
if (isSelected)
QApplication::style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter);
painter->save();
painter->translate(option.rect.topLeft());
QRect line(0, 0, option.rect.width(), option.rect.height());
if (downloadInfo) line.setWidth(line.width() / 2);
const bool isActive = index.data(ActiveTrackRole).toBool();
// get the video metadata
const Video *video = index.data(VideoRole).value<VideoPointer>().data();
// draw the "current track" highlight underneath the text
if (isActive && !isSelected) paintActiveOverlay(painter, option, line);
// thumb
const QPixmap &thumb = video->getThumbnail();
if (!thumb.isNull()) {
painter->drawPixmap(0, 0, thumb);
if (video->getDuration() > 0) drawTime(painter, video->getFormattedDuration(), line);
}
const bool thumbsOnly = line.width() <= thumbWidth + 60;
const bool isHovered = index.data(HoveredItemRole).toBool();
// play icon overlayed on the thumb
bool needPlayIcon = isActive;
if (thumbsOnly) needPlayIcon = needPlayIcon && !isHovered;
if (needPlayIcon) painter->drawPixmap(0, 0, playIcon);
if (!thumbsOnly) {
// text color
if (isSelected)
painter->setPen(QPen(option.palette.highlightedText(), 0));
else
painter->setPen(QPen(option.palette.text(), 0));
// title
QStringRef title(&video->getTitle());
QString elidedTitle = video->getTitle();
static const int titleFlags = Qt::AlignTop | Qt::TextWordWrap;
QRect textBox = line.adjusted(padding + thumbWidth, padding, -padding, 0);
textBox = painter->boundingRect(textBox, titleFlags, elidedTitle);
while (textBox.height() > 55 && elidedTitle.length() > 10) {
#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
title = title.left(title.length() - 1);
#elif QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
title.truncate(title.length() - 1);
#else
title.chop(1);
#endif
elidedTitle = title.trimmed() + QStringLiteral("…");
textBox = painter->boundingRect(textBox, titleFlags, elidedTitle);
}
painter->drawText(textBox, titleFlags, elidedTitle);
painter->setFont(smallerFont);
painter->setOpacity(.5);
QFontMetrics fontMetrics = painter->fontMetrics();
static const int flags = Qt::AlignLeft | Qt::AlignTop;
// published date
const QString &published = video->getFormattedPublished();
QSize textSize(fontMetrics.size(Qt::TextSingleLine, published));
QPoint textPoint(padding + thumbWidth, padding * 2 + textBox.height());
textBox = QRect(textPoint, textSize);
painter->drawText(textBox, flags, published);
bool elided = false;
// author
if (!listView || listView->isClickableAuthors()) {
bool authorHovered = isHovered && index.data(AuthorHoveredRole).toBool();
painter->save();
painter->setFont(smallerBoldFont);
if (!isSelected) {
if (authorHovered)
painter->setPen(QPen(option.palette.brush(QPalette::Highlight), 0));
}
const QString &author = video->getChannelTitle();
textPoint.setX(textBox.right() + padding);
textSize = QSize(painter->fontMetrics().size(Qt::TextSingleLine, author));
textBox = QRect(textPoint, textSize);
authorRects.insert(index.row(), textBox);
if (textBox.right() > line.width() - padding) {
textBox.setRight(line.width());
elided = drawElidedText(painter, textBox, flags, author);
} else {
painter->drawText(textBox, flags, author);
}
painter->restore();
}
// view count
if (video->getViewCount() > 0) {
const QString &viewCount = video->getFormattedViewCount();
textPoint.setX(textBox.right() + padding);
textSize = QSize(fontMetrics.size(Qt::TextSingleLine, viewCount));
if (elided || textPoint.x() + textSize.width() > line.width() - padding) {
textPoint.setX(thumbWidth + padding);
textPoint.setY(textPoint.y() + textSize.height() + padding);
}
textBox = QRect(textPoint, textSize);
if (textBox.bottom() <= line.height()) {
painter->drawText(textBox, flags, viewCount);
}
}
if (downloadInfo) {
const QString &def = VideoDefinition::forCode(video->getDefinitionCode()).getName();
textPoint.setX(textBox.right() + padding);
textSize = QSize(fontMetrics.size(Qt::TextSingleLine, def));
textBox = QRect(textPoint, textSize);
painter->drawText(textBox, flags, def);
}
} else {
// thumbs only
if (isHovered) {
painter->setFont(smallerFont);
painter->setPen(Qt::white);
QStringRef title(&video->getTitle());
QString elidedTitle = video->getTitle();
static const int titleFlags = Qt::AlignTop | Qt::TextWordWrap;
QRect textBox(padding, padding, thumbWidth - padding * 2, thumbHeight - padding * 2);
textBox = painter->boundingRect(textBox, titleFlags, elidedTitle);
while (textBox.height() > 55 && elidedTitle.length() > 10) {
#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
title = title.left(title.length() - 1);
#elif QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
title.truncate(title.length() - 1);
#else
title.chop(1);
#endif
elidedTitle = title.trimmed() + QStringLiteral("…");
textBox = painter->boundingRect(textBox, titleFlags, elidedTitle);
}
painter->fillRect(QRect(0, 0, thumbWidth, textBox.height() + padding * 2),
QColor(0, 0, 0, 128));
painter->drawText(textBox, titleFlags, elidedTitle);
}
}
painter->restore();
if (downloadInfo) paintDownloadInfo(painter, option, index);
}
void MemChartPrivate::drawLegend(QPainter* painter)
{
qreal maxTextLength = fontMetrics().width(tr("%1").arg(_max));
painter->save();
painter->setPen(MC::Color::TextColor);
qreal initY = MC::Constant::TopSpace;
qreal dY = (qreal)(height() - 2 * MC::Constant::TopSpace)/MC::Constant::GridCount;
qreal dValue = (qreal)(_max - _min)/MC::Constant::GridCount;
int initValue = _max;
QString strText;
// draw left legend
// drawLegendText(painter,MC::Constant::ExtraSpace + maxTextLength - textLength);
for(int i = 0;i <= MC::Constant::GridCount;i++)
{
// draw text
strText = tr("%1").arg(initValue);
qreal textLength = fontMetrics().width(strText);
QPointF textPoint(MC::Constant::ExtraSpace + maxTextLength - textLength ,initY + fontMetrics().height()/2);
painter->drawText(textPoint,strText);
// draw mark
QPointF handleLeftPoint(MC::Constant::ExtraSpace + maxTextLength,initY);
QPointF handleRightPoint(handleLeftPoint.x() + MC::Constant::ExtraSpace,initY);
painter->drawLine(handleLeftPoint,handleRightPoint);
// increment initY
initY += dY;
// decrement value
initValue -= dValue;
//
initValue = initValue < 0 ? 0 : initValue;
}
initY = MC::Constant::TopSpace;
// draw right legend
initValue = _max;
for(int i = 0;i <= MC::Constant::GridCount;i++)
{
// draw text
strText = tr("%1").arg(initValue);
qreal textLength = fontMetrics().width(strText);
QPointF textPoint(width() - MC::Constant::ExtraSpace - maxTextLength,initY + fontMetrics().height()/2);
painter->drawText(textPoint,strText);
// draw mark
QPointF handleLeftPoint(width() - MC::Constant::ExtraSpace * 2 - maxTextLength,initY);
QPointF handleRightPoint(handleLeftPoint.x() + MC::Constant::ExtraSpace,initY);
painter->drawLine(handleLeftPoint,handleRightPoint);
// increment initY
initY += dY;
// decrement value
initValue -= dValue;
//
initValue = initValue < 0 ? 0 : initValue;
}
painter->restore();
}
